The Setscrew, cataloged under National Stock Number 5305-00-407-9903, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Leica Inc Surveying and Photogrammetry Systems Div. Government technical data includes 17 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-00-407-9903 |
| Primary Part Number | 15655-1 |
| Item Name | Setscrew |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Leica Inc Surveying and Photogrammetry Systems Div |
| Status | ACTIVE |
| Point Diameter | 0.093 INCHES NOMINAL IN |
| Head Height | 0.125 INCHES NOMINAL IN |
| Point Length | 0.125 INCHES NOMINAL IN |
| Fastener Length | 1.125 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 1.000 INCHES MINIMUM IN |
| Nominal Thread Diameter | 0.164 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Point Style | BALL |
| Width Between Flats | 0.250 INCHES NOMINAL IN |
| Surface Treatment | PASSIVATE OVERALL |
| Internal Drive Style | SLOT |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 32 |
| Material | STEEL CORROSION RESISTING OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 15655-1 PRIMARY | Leica Inc Surveying and Photogrammetry Systems Div (USA) |
NSN 5305-00-407-9903 is a Setscrew, manufactured by Leica Inc Surveying and Photogrammetry Systems Div, classified under FSC 5305, Screws. Status: active.
NSN 5305-00-407-9903 has 1 manufacturer part number on file: 15655-1 (Leica Inc Surveying and Photogrammetry Systems Div).
3 possible matches (shared part number, not a government interchangeability claim): 5815-00-701-5469, 5330-01-605-2975, 4010-01-674-9024. Verify interchangeability with system specifications before substitution.
Key specifications for 15655-1: Point Diameter: 0.093 INCHES NOMINAL IN; Head Height: 0.125 INCHES NOMINAL IN; Point Length: 0.125 INCHES NOMINAL IN; Fastener Length: 1.125 INCHES NOMINAL IN. 17 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.